obama, and the former first lady, laura bush, were both attending a service in shanksville, pennsylvania. that is where onelane wentfl down, united flight 93. our sandra endo is therfor us.he hello to you. >> reporter: well, t.j., the memorial service for flight 93 just finished up here and one by one, the names of the 40 victims on board were read and a bell tolled for each and each of their memories. as you mentioned, former first lady, laura bush, spoke to this crowd here, as well as first lady, michelle obama. she talked about how future generations will come here to see the scar in the land healed and the memory of those 40 heroes remembered for their actionin the sky nine years ago today. nine years ago, there was no sponse from united flight 93. then, this ominous threat from a hijack. >> ladies and gentlemen, here's the captain. please sit down. keep -- >> reporter: now, an american flag flies in the breeze standing strong in a bail of hey, marking the crash se twhere passengers on flight 93 fought for their lives, for the country, for freedom overcoming the terrorists on board.